If you're overwhelmed by the vast amount of application development news emanating from this week's re:Invent conference by Amazon Web Services, here's a roundup of the items especially relevant to coders in the red-hot mobile space.

Amazon Web Services updated its tool for creating corporate apps that use existing user directories and hook into other apps and systems such as customer relationship management, sales management, accounting and customer service tools.

The new Amazon Athena tool from Amazon Web Services enables serverless queries of large amounts of data stored in Amazon Simple Storage Service, obviating the need to spin up Hadoop clusters or set up data warehouses.

Amazon Web Services released a public preview of a new Administrative SDK for Amazon WorkDocs that lets developers integrate management functionality into apps that leverage the enterprise storage and file sharing service.

Oracle announced more than 20 new products and services for the Oracle Cloud Platform at its annual OpenWorld conference last week and took aim at its chief competitor in the cloud infrastructure market.

The Big Data space has evolved since its inception along several threads that have converged to result in services such as Amazon Kinesis Analytics, which leverages standard SQL for the real-time querying of streaming data.

The Jenkins community is partnering with Microsoft to move its back-end infrastructure to the Azure cloud, a move that unifies the Jenkins infrastructure -- which has been distributed in four locations among four different providers -- on a single, scalable platform.

The limited release AWS IoT Button, designed to help developers use Internet of Things and other data-related services from Amazon Web Services, sold out last week just hours after being made available.